Now the Rom can boot without flashing a custom kernel separately
First boot takes time, just wait patiently
HW still broken
but thanks for the solution provided by @USBhost , may be it isn't a perfect one for our broken hw, but stock video player and camera indeed works.
Root Method :
SuperSU 2.82 SR5(No Root manager, root will be granted automatically)
Magisk 14.5(You can have a try, it did't work for me just now)
Device Tree : (Force encryption disabled and selinux set to permissive)